I`m using stata 9, thanks
> At 05:28 PM 2/16/2006, Michael Blasnik wrote:
>>I think you are stuck with my original option 3 -- get a faster
>>computer. I'm not that familiar with xtabond2, but it's probably a
>> good guess given what little I do know that they require a lot of
>> calculations. One other possibility- if you are allocating more
>> memory than is physically available you could speed things up quite a
>> bit by adding RAM. If the hard drive is being used a lot during the
>> do file, then that may be the problem.
>
> The program does suggest one other possibility if you aren't doing it
> already: use Stata 9. The docs say "xtabond2 is written to take
> advantage of the Mata programming language first included in Stata 9.0.
> It works in Stata 7 and 8, but runs much faster in Stata 9 or later."
>
> Also, some programs that are having convergence problems will run
> better if you use the "difficult" option. I don't know if xtabond2 is
> one of them or not.
>
> As a sidelight, there is one other little thing in the docs I like:
>
> "Citation
> xtabond2 is not an official Stata command. It is a free
> contribution to the research community, like a paper. Please cite it as
> such: Roodman, D. 2005. xtabond2: Stata module to extend xtabond
> dynamic panel data estimator. Center for Global Development,
> Washington.
> http://econpapers.repec.org/software/bocbocode/s435901.htm";
>
> I think that is a good idea, at least for a major estimation program
> like xtabond2. A lot of authors just seem to assume that some
> nameless Stata programmer received enormous amounts of money for this
> program they are running.
>
>
>
>
> -------------------------------------------
> Richard Williams, Notre Dame Dept of Sociology
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